<template>
  <header class="header">
      <h1>任务列表</h1>
      <input class="new-todo" placeholder="请输入要做的事情" autofocus v-model="todu" @keydown.enter="add"/>
    </header>
</template>

<script>
export default {
  data(){
    return {
      todu: ''
    }
  },
  methods:{
    add(){
       this.$emit('add', this.todu)
       this.todu = ""
    }
   
  }
}
</script>

<style>

</style>